6622444 has 12 divisors (see below), whose sum is σ = 11698344. Its totient is φ = 3280064.

The previous prime is 6622423. The next prime is 6622457. The reversal of 6622444 is 4442266.

It is a zygodrome in base 10.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7309 + ... + 8164.

It is an arithmetic number, because the mean of its divisors is an integer number (974862).

Almost surely, 2^6622444 is an apocalyptic number.

It is an amenable number.

6622444 is a deficient number, since it is larger than the sum of its proper divisors (5075900).

6622444 is a wasteful number, since it uses less digits than its factorization.

6622444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15584 (or 15582 counting only the distinct ones).

The product of its digits is 9216, while the sum is 28.

The square root of 6622444 is about 2573.4109660138. The cubic root of 6622444 is about 187.7901309780.

The spelling of 6622444 in words is "six million, six hundred twenty-two thousand, four hundred forty-four".